1 /*
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "WebKitDLL.h"
28 #include "WebCoreStatistics.h"
29
30 #include "COMPropertyBag.h"
31 #include <JavaScriptCore/JSLock.h>
32 #include <WebCore/FontCache.h>
33 #include <WebCore/GlyphPageTreeNode.h>
34 #include <WebCore/IconDatabase.h>
35 #include <WebCore/JSDOMWindow.h>
36 #include <WebCore/SharedBuffer.h>
37
38 using namespace JSC;
39 using namespace WebCore;
40
41 // WebCoreStatistics ---------------------------------------------------------------------------
42
WebCoreStatistics()43 WebCoreStatistics::WebCoreStatistics()
44 : m_refCount(0)
45 {
46 gClassCount++;
47 gClassNameCount.add("WebCoreStatistics");
48 }
49
~WebCoreStatistics()50 WebCoreStatistics::~WebCoreStatistics()
51 {
52 gClassCount--;
53 gClassNameCount.remove("WebCoreStatistics");
54 }
55
createInstance()56 WebCoreStatistics* WebCoreStatistics::createInstance()
57 {
58 WebCoreStatistics* instance = new WebCoreStatistics();
59 instance->AddRef();
60 return instance;
61 }
62
63 // IUnknown -------------------------------------------------------------------
64
QueryInterface(REFIID riid,void ** ppvObject)65 HRESULT STDMETHODCALLTYPE WebCoreStatistics::QueryInterface(REFIID riid, void** ppvObject)
66 {
67 *ppvObject = 0;
68 if (IsEqualGUID(riid, IID_IUnknown))
69 *ppvObject = static_cast<WebCoreStatistics*>(this);
70 else if (IsEqualGUID(riid, IID_IWebCoreStatistics))
71 *ppvObject = static_cast<WebCoreStatistics*>(this);
72 else
73 return E_NOINTERFACE;
74
75 AddRef();
76 return S_OK;
77 }
78
AddRef(void)79 ULONG STDMETHODCALLTYPE WebCoreStatistics::AddRef(void)
80 {
81 return ++m_refCount;
82 }
83
Release(void)84 ULONG STDMETHODCALLTYPE WebCoreStatistics::Release(void)
85 {
86 ULONG newRef = --m_refCount;
87 if (!newRef)
88 delete(this);
89
90 return newRef;
91 }
92
93 // IWebCoreStatistics ------------------------------------------------------------------------------
94
javaScriptObjectsCount(UINT * count)95 HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptObjectsCount(
96 /* [retval][out] */ UINT* count)
97 {
98 if (!count)
99 return E_POINTER;
100
101 JSLock lock(SilenceAssertionsOnly);
102 *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.objectCount();
103 return S_OK;
104 }
105
javaScriptGlobalObjectsCount(UINT * count)106 HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptGlobalObjectsCount(
107 /* [retval][out] */ UINT* count)
108 {
109 if (!count)
110 return E_POINTER;
111
112 JSLock lock(SilenceAssertionsOnly);
113 *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.globalObjectCount();
114 return S_OK;
115 }
116
javaScriptProtectedObjectsCount(UINT * count)117 HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptProtectedObjectsCount(
118 /* [retval][out] */ UINT* count)
119 {
120 if (!count)
121 return E_POINTER;
122
123 JSLock lock(SilenceAssertionsOnly);
124 *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.protectedObjectCount();
125 return S_OK;
126 }
127
javaScriptProtectedGlobalObjectsCount(UINT * count)128 HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptProtectedGlobalObjectsCount(
129 /* [retval][out] */ UINT* count)
130 {
131 if (!count)
132 return E_POINTER;
133
134 JSLock lock(SilenceAssertionsOnly);
135 *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.protectedGlobalObjectCount();
136 return S_OK;
137 }
138
javaScriptProtectedObjectTypeCounts(IPropertyBag2 ** typeNamesAndCounts)139 HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptProtectedObjectTypeCounts(
140 /* [retval][out] */ IPropertyBag2** typeNamesAndCounts)
141 {
142 JSLock lock(SilenceAssertionsOnly);
143 OwnPtr<TypeCountSet> jsObjectTypeNames(JSDOMWindow::commonJSGlobalData()->heap.protectedObjectTypeCounts());
144 typedef TypeCountSet::const_iterator Iterator;
145 Iterator end = jsObjectTypeNames->end();
146 HashMap<String, int> typeCountMap;
147 for (Iterator current = jsObjectTypeNames->begin(); current != end; ++current)
148 typeCountMap.set(current->first, current->second);
149
150 COMPtr<IPropertyBag2> results(AdoptCOM, COMPropertyBag<int>::createInstance(typeCountMap));
151 results.copyRefTo(typeNamesAndCounts);
152 return S_OK;
153 }
154
iconPageURLMappingCount(UINT * count)155 HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconPageURLMappingCount(
156 /* [retval][out] */ UINT* count)
157 {
158 if (!count)
159 return E_POINTER;
160 *count = (UINT) iconDatabase().pageURLMappingCount();
161 return S_OK;
162 }
163
iconRetainedPageURLCount(UINT * count)164 HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconRetainedPageURLCount(
165 /* [retval][out] */ UINT *count)
166 {
167 if (!count)
168 return E_POINTER;
169 *count = (UINT) iconDatabase().retainedPageURLCount();
170 return S_OK;
171 }
172
iconRecordCount(UINT * count)173 HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconRecordCount(
174 /* [retval][out] */ UINT *count)
175 {
176 if (!count)
177 return E_POINTER;
178 *count = (UINT) iconDatabase().iconRecordCount();
179 return S_OK;
180 }
181
iconsWithDataCount(UINT * count)182 HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconsWithDataCount(
183 /* [retval][out] */ UINT *count)
184 {
185 if (!count)
186 return E_POINTER;
187 *count = (UINT) iconDatabase().iconRecordCountWithData();
188 return S_OK;
189 }
190
cachedFontDataCount(UINT * count)191 HRESULT STDMETHODCALLTYPE WebCoreStatistics::cachedFontDataCount(
192 /* [retval][out] */ UINT *count)
193 {
194 if (!count)
195 return E_POINTER;
196 *count = (UINT) fontCache()->fontDataCount();
197 return S_OK;
198 }
199
cachedFontDataInactiveCount(UINT * count)200 HRESULT STDMETHODCALLTYPE WebCoreStatistics::cachedFontDataInactiveCount(
201 /* [retval][out] */ UINT *count)
202 {
203 if (!count)
204 return E_POINTER;
205 *count = (UINT) fontCache()->inactiveFontDataCount();
206 return S_OK;
207 }
208
purgeInactiveFontData(void)209 HRESULT STDMETHODCALLTYPE WebCoreStatistics::purgeInactiveFontData(void)
210 {
211 fontCache()->purgeInactiveFontData();
212 return S_OK;
213 }
214
glyphPageCount(UINT * count)215 HRESULT STDMETHODCALLTYPE WebCoreStatistics::glyphPageCount(
216 /* [retval][out] */ UINT *count)
217 {
218 if (!count)
219 return E_POINTER;
220 *count = (UINT) GlyphPageTreeNode::treeGlyphPageCount();
221 return S_OK;
222 }
223